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SwapBitsInByte(unsigned char n)
{
  n = (n & 0xF0) >> 4 | (n & 0x0F) < < 4;
  n = (n & 0xCC) >> 2 | (n & 0×33) < < 2;
  n = (n & 0xAA) >> 1 | (n & 0×55) << 1;
  return n;
}

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Related Blog Items

• Bit swapping - Style II
• Bit swapping - Style I
• Bit Twiddling/Manipulation Hacks
• Swapping variables without additional space
• Advanced Test in C: The 0x0A Best Questions for C Programmers

This entry was written by Pratap Nirujogi and posted on November 1, 2006 at 12:39 pm and filed under C Tidbits. Bookmark the permalink. Follow any comments here with the RSS feed for this post. Post a comment or leave a trackback: Trackback URL.